1 / 5Amazon Basics CD-L Adjustable Plastic Pet Door, Large
Amazon Basics CD-L is an adjustable plastic pet door listed in Large size for cats and small dogs. Its listed entrance dimensions provide a useful fit check, but customer feedback raises concerns about the locking bar and the plastic retaining the vinyl flap.
At a glance
- Adjustable pet door intended to control access between indoor and outdoor spaces.
- Listing describes it as suitable for cats and small dogs.
- Plastic frame and a listed entrance measuring 24.13 x 40.64 cm.
Pros and cons
Pros
- Customer feedback describes installation as straightforward, including for less experienced DIYers.
- Customers report that the door functions as intended, with some saying it remains functional over time.
Cons
- Customer feedback raises concerns that the locking bar can slide too easily.
- Some customers report that the plastic holding the vinyl flap can break, including reports of breakage within three months.
Technical specifications
8 specifications| Brand | Amazon Basics |
|---|---|
| Model | CD-L |
| Size | Large |
| Overall dimensions | 50.80 x 33.79 x 11.30 cm |
|---|---|
| Entrance dimensions | 24.13 x 40.64 cm |
| Material listed | Plastic |
|---|---|
| Colour | White and Grey |
| Dog breed size listed | Small |
|---|
What to know before buying
Listing details to confirm
The listing calls this size Large and gives a Small dog-breed-size classification, so the size label and intended pet fit are inconsistent. Check the entrance dimensions against your pet before choosing. The title gives overall dimensions as 50.8 x 33.8 x 11.3 cm, while the feature details give 50.80 x 33.79 x 11.30 cm. Customer opinions on fit and appearance are mixed.
Who is it for?
A good fit for
- Cat owners and owners of small dogs comparing a plastic pet door by its stated entrance dimensions.
- Buyers who want a door described as adjustable and are comfortable assessing installation fit.
Less suited to
- Buyers who need a confirmed fit for a larger dog, given the listing's Small dog-breed-size classification.
- Buyers prioritizing a consistently secure locking bar or assured long-term flap-retaining durability, given reported customer concerns.

Customer reviews on Amazon
- 5 stars
70% 70% - 4 stars
14% 14% - 3 stars
6% 6% - 2 stars
5% 5% - 1 star
5% 5%
Customer feedback highlights easy installation and satisfactory function for some owners, while also reporting concerns about the sliding locking bar and plastic retaining the vinyl flap, with some reported breakage within three months. Opinions on fit and appearance are mixed. These points matter alongside the stated entrance dimensions, especially for buyers needing a dependable lock or long-term flap support. Aggregate ratings lean positive overall, but they do not establish why customers rated the product as they did.
Positive themes
- Customers describe installation as easy, including for amateur DIYers.
- Customers report that the door works well and can remain functional over time.
Negative themes
- Customer feedback reports that the locking bar can slide too easily.
- Some customers report breakage in the plastic holding the vinyl flap, including within three months.
Mixed feedback
- Customer opinions on fit and appearance are mixed.
Frequently asked questions
What are the listed entrance dimensions?
The feature details list an entrance measuring 24.13 x 40.64 cm. Compare those dimensions with your pet before purchase.
Is this suitable for a large dog?
The title and size field say Large, but the dog-breed-size field says Small and the feature text describes small pets. Treat the intended fit as unclear and use the listed entrance dimensions as a check.
What do customers say about installation and durability?
Customer feedback describes installation as easy for some buyers, but also reports concerns about the locking bar sliding and plastic around the vinyl flap breaking.

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